UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mpRFYMazzbAUjs6LON/fWJvtZEdZZOCi5WV4YJlXHFE=' 
WHERE 
  key_id = '991ee0530946f40f63c959345d9356c84067fa0bc42134db539179747e43a519' 
  AND (
    token = 'mpRFYMazzbAUjs6LON/fWJvtZEdZZOCi5WV4YJlXHFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )